Mkdir rn42
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@ -2,6 +2,7 @@ Roving RN-42
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============
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07/16 After fix of voltage dividor on GPIO6, had a trouble that it could not send a char to BT module, though could receive.
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Found R8 had wrong 1K resistor and changed to 10K, after that it can send to the module again. Not sure how it had sent with the wrong 1K before.
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07/18 On Linux, had an USB related trouble; keyobard or console didn't work for some reason. Changing PID cured this problem. Very annoying, took very long time before resolved it.
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@ -28,6 +29,28 @@ DONE:
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- Power selector doesn't work; Q4 MOSFET leaks from Lipo to USB power line. -- use Schottky instead 07/04
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Lipo
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----
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Sparkfun Polymer Lithium Ion Battery 850mAh:
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https://www.sparkfun.com/products/341
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Lipo Cell spec:
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https://www.sparkfun.com/datasheets/Batteries/063048%20Li-polymer.pdf
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Protection spec:
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http://dlnmh9ip6v2uc.cloudfront.net/datasheets/Prototyping/BatteryProtection.pdf
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min typical max
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over-charge 4.255 4.280 4.305
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over-charge discover? 4.030 4.080 4.130
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over-discharge 2.827 2.900 2.973
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over-discharge discover 3.022 3.100 3.178
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ADC voltage monitor: voltage divider 10K+10K(0.5)
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ADC=V*0.5/2.56*1024
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V ADC
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------------------
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4.20 0x347(839)
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3.10 0x26b(619)
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Configuration
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@ -51,12 +51,7 @@ TARGET_DIR = .
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# List C source files here. (C dependencies are automatically generated.)
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SRC += keymap_common.c \
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matrix.c \
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led.c \
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serial_uart.c \
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suart.S \
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rn42.c \
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rn42_task.c \
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main.c
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led.c
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ifdef KEYMAP
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SRC := keymap_$(KEYMAP).c $(SRC)
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@ -135,6 +130,7 @@ COMMAND_ENABLE = yes # Commands for debug and configuration
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VPATH += $(TARGET_DIR)
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VPATH += $(TOP_DIR)
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include rn42.mk
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include $(TOP_DIR)/protocol.mk
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include $(TOP_DIR)/protocol/lufa.mk
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include $(TOP_DIR)/common.mk
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@ -0,0 +1,11 @@
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RN42_DIR = rn42
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SRC += serial_uart.c \
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rn42/suart.S \
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rn42/rn42.c \
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rn42/rn42_task.c \
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rn42/main.c
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OPT_DEFS += -DPROTOCOL_RN42
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VPATH += $(RN42_DIR)
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@ -13,6 +13,7 @@
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#include "action_util.h"
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#include "wait.h"
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#include "suart.h"
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#include "suspend.h"
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static int8_t sendchar_func(uint8_t c)
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{
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@ -4,6 +4,7 @@
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#include <stdbool.h>
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#include "rn42.h"
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void rn42_task_init(void);
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void rn42_task(void);
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#endif
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